<template>
    <div class="app-container">
        <!-- 查询表单 -->
        <div class="search-div">
            <el-form label-width="70px" size="small">
                <el-row>
                    <el-col :span="24">
                        <el-form-item label="角色名称">
                            <el-input style="width: 100%" v-model="searchObj.roleName" placeholder="角色名称"></el-input>
                        </el-form-item>
                    </el-col>
                </el-row>
                <el-row style="display:flex">
                    <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading"
                        @click="fetchData()">搜索</el-button>
                    <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>

                    <!-- 工具条 -->
                    <!-- <div class="tools-div"> -->
                    <el-button type="success" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
                    <el-button class="btn-add" size="mini" @click="batchRemove()">批量删除</el-button>
                    <!-- </div> -->
                </el-row>
            </el-form>
        </div>


        <!-- 表格 -->
        <el-table v-loading="listLoading" :data="list" stripe border style="width: 100%;margin-top: 10px;"
            @selection-change="handleSelectionChange">

            <el-table-column type="selection" />

            <el-table-column label="序号" width="70" align="center">
                <template slot-scope="scope">
                    {{ (page - 1) * limit + scope.$index + 1 }}
                </template>
            </el-table-column>

            <el-table-column prop="roleName" label="角色名称" />
            <el-table-column prop="roleCode" label="角色编码" />
            <el-table-column prop="createTime" label="创建时间" width="160" />
            <el-table-column label="操作" width="200" align="center">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改" />
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)"
                        title="删除" />
                    <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)"
                        title="分配权限" />
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页组件 -->
        <el-pagination :current-page="page" :total="total" :page-size="limit" style="padding: 30px 0; 
                    text-align: center;" layout="total, prev, pager, next, jumper" @current-change="fetchData" />

        <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
            <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
                <el-form-item label="角色名称">
                    <el-input v-model="sysRole.roleName" />
                </el-form-item>
                <el-form-item label="角色编码">
                    <el-input v-model="sysRole.roleCode" />
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
                <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
//引入定义接口js文件
import api from '@/api/system/sysRole'

export default {
    data() {
        return {
            list: [],//角色列表
            page: 1,//当前页
            limit: 10,//每页显示记录数
            total: 0,//总记录数
            searchObj: {},//条件对象

            sysRole: {},//表单角色数据
            selections: [],//复选框选中值
            dialogVisible: false //是否弹框
        }
    },
    created() {
        this.fetchData()
    },
    methods: {
        showAssignAuth(row) {
            //跳转到分配菜单的页面
            this.$router.push('/system/assignAuth?id=' + row.id + '&roleName=' + row.roleName);
        },
        //条件分页查询
        fetchData(current = 1) {
            this.page = current
            api.getPageList(this.page, this.limit, this.searchObj)
                .then(response => {
                    this.list = response.data.records
                    this.total = response.data.total
                })
        },
        //删除
        removeDataById(id) {
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => { // promise
                // 点击确定，远程调用ajax
                return api.removeById(id)
            }).then(response => {
                this.fetchData()
                this.$message.success(response.message || '删除成功')
            })
        },
        //点击弹出输入窗口
        add() {
            this.dialogVisible = true
        },
        //添加或修改
        saveOrUpdate() {
            //有id是修改，无id是添加
            if (!this.sysRole.id) {
                this.save()
            } else {
                this.update()
            }
        },
        save() {
            api.saveRole(this.sysRole)
                .then(response => {
                    this.$message.success(response.message || '操作成功')
                    this.dialogVisible = false
                    this.fetchData()
                })
        },
        update() {
            api.updateById(this.sysRole)
                .then(response => {
                    this.$message.success(response.message || '操作成功')
                    this.dialogVisible = false
                    this.fetchData()
                })
        },
        edit(id) {
            this.dialogVisible = true
            this.fetchDataById(id)
        },
        fetchDataById(id) {
            api.getById(id)
                .then(response => {
                    this.sysRole = response.data
                })
        },
        //复选框选中触发
        handleSelectionChange(selection) {
            this.selections = selection
        },
        batchRemove() {
            if (this.selections.length == 0) {
                this.$message.warning('请选择要删除的记录！')
                return
            }
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                var idList = []
                this.selections.forEach(element => {
                    var id = element.id
                    idList.push(id)
                })
                return api.batchRemove(idList);
            }).then(response => {
                this.$message.success(response.message)
                this.fetchData()
            })
        }
    }
}
</script>